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Old 11-09-2015, 11:43   #1
NTD
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Alternator shutting off

Alternator shutting off.
The belt had come loose and I adjusted and tightened it. Now its not working.

After I start the diesel, the alternator runs fine for about 15 seconds and then current goes to zero.

I stop the engine and restart and it does the same, shuts off in about 15 seconds.

Any thoughts?
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Old 11-09-2015, 11:48   #2
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Re: Alternator shutting off

Diode pack is what I would look at first. Is a new pack available for your Alt?
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Old 11-09-2015, 13:06   #3
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Re: Alternator shutting off

Thanks for the reply.


Probably not. Its a Valleo 24v


my experience with diodes is they work or they don't. Strange that it would repeatedly work then shut off.
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Old 11-09-2015, 13:13   #4
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Re: Alternator shutting off

Quote:
Originally Posted by NTD View Post
Thanks for the reply.


Probably not. Its a Valleo 24v


my experience with diodes is they work or they don't. Strange that it would repeatedly work then shut off.
Iffy connection on the pack / alt circuit breaking down under load is my suspicion.
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Old 12-09-2015, 07:21   #5
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Re: Alternator shutting off

Loose connection somewhere.
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